When John Sexton sought to test a 400-speed film, he looked to the new KODAK PROFESSIONAL T-MAX 400 Film, now the sharpest 400-speed black-and-white film in the world, in addition to being the finest-grained. The KODAK T-GRAIN Emulsion of this high-speed, highly detailed film gives Sexton all the power he needs to expose the true purity of his environment.